docs: def edlimb(a, b, c, viewpt):
      """
      Find the limb of a triaxial ellipsoid, viewed from a specified point.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/edlimb_c.html
  
      :param a: Length of ellipsoid semi-axis lying on the x-axis.
      :type a: float
      :param b: Length of ellipsoid semi-axis lying on the y-axis.
      :type b: float
      :param c: Length of ellipsoid semi-axis lying on the z-axis.
      :type c: float
      :param viewpt: Location of viewing point.
      :type viewpt: 3-Element Array of floats
      :return: Limb of ellipsoid as seen from viewing point.
      :rtype: spiceypy.utils.support_types.Ellipse
      """
      limb = stypes.Ellipse()
      a = ctypes.c_double(a)
      b = ctypes.c_double(b)
      c = ctypes.c_double(c)
      viewpt = stypes.toDoubleVector(viewpt)
      libspice.edlimb_c(a, b, c, viewpt, ctypes.byref(limb))
      return limb